c.f. issue 1274, test at the beginning of postinstall that iptables is working instead of miserably crashing at a later stage
c.f. issue 1274, test at the beginning of postinstall that iptables is working instead of miserably crashing at a later stage

YunoHost/moulinette-yunohost,YunoHost/moulinette-yunohost,YunoHost/moulinette-yunohost,YunoHost/yunohost,YunoHost/yunohost,YunoHost/yunohost,YunoHost/moulinette-yunohost,YunoHost/moulinette-yunohost,YunoHost/yunohost